Siemens 3RT2017-1AK62 Three-Phase AC Contactor

Siemens Sirius 3RT2017-1AK62 is a 3-pole AC-3 power contactor used to switch three-phase motors. It is rated for 12 A (Ie) and 5.5 kW at 400 V, includes one normally closed auxiliary contact (1 NC), and comes in the S00 frame with screw-terminal connections, designed for straightforward installation. Coil voltages offered with this model are 110 V AC (50/60 Hz) or 120 V AC (60 Hz), depending on the variant, and the main contacts support AC-3 duty up to 690 V, enabling reliable switching of motors at common industrial voltages. Common applications include starting and stopping conveyors, pumps, and fans, with the auxiliary contact available for PLC signaling or interlocks, making the 3RT2017-1AK62 a practical, space-efficient choice for control panels and machine builders.